Google Android up to 7.1.2 Mediaserver FLACExtractor.cpp Media File memory corruption

Summaryinfo

A vulnerability marked as critical has been reported in Google Android up to 7.1.2. Impacted is an unknown function of the file FLACExtractor.cpp of the component Mediaserver. This manipulation as part of Media File causes memory corruption. This vulnerability is handled as CVE-2017-0592. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in Google Android up to 7.1.2 (Smartphone Operating System). Affected by this vulnerability is an unknown code of the file FLACExtractor.cpp of the component Mediaserver. The manipulation as part of a Media File leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A remote code execution vulnerability in FLACExtractor.cpp in libstagefright in Mediaserver could enable an attacker using a specially crafted file to cause memory corruption during media file and data processing. This issue is rated as Critical due to the possibility of remote code execution within the context of the Mediaserver process. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-34970788.

The bug was discovered 05/01/2017. The weakness was released 05/12/2017 (Website). The advisory is shared at android.googlesource.com. This vulnerability is known as CVE-2017-0592 since 11/29/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/13/2017). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98125†). Entries connected to this vulnerability are available at VDB-101165, VDB-101164, VDB-101163 and VDB-101162. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 4.4.4
• 5.0.2
• 5.1.1
• 6.0
• 6.0.1
• 7.0
• 7.1.1
• 7.1.2

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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